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Finding the Fourth Proportional to 604,574.80, 907,560.60 and 324,638.80

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Solution

The fourth proportional to 604,574.80, 907,560.60 and 324,638.80 is: 487,333.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,574.80 : 907,560.60 = 324,638.80 : x
  2. Step 2: Convert to fraction form
    604,574.80/907,560.60 = 324,638.80/x
  3. Step 3: Cross multiply
    604,574.80x = 907,560.60 × 324,638.80
  4. Step 4: Simplify right side
    604,574.80x = 294,629,384,111.28
  5. Step 5: Solve for x
    x = 294,629,384,111.28/604,574.80
  6. Step 6: Final answer
    x = 487,333.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.